[  538.001226] bond0: (slave eth0): making interface the new active one
[  538.001320] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.228891] bond0: (slave eth0): Releasing backup interface
[  542.319587] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.518871] bond0: (slave eth0): Releasing backup interface
[  546.544853] bond0 (unregistering): Released all slaves